Finding the Fourth Proportional to 342,313.06, 472,355.68 and 189,326.94
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Solution
The fourth proportional to 342,313.06, 472,355.68 and 189,326.94 is: 261,251.08
Step by Step Solution
- Step 1: Write the proportion equation
342,313.06 : 472,355.68 = 189,326.94 : x - Step 2: Convert to fraction form
342,313.06/472,355.68 = 189,326.94/x - Step 3: Cross multiply
342,313.06x = 472,355.68 × 189,326.94 - Step 4: Simplify right side
342,313.06x = 89,429,655,486.02 - Step 5: Solve for x
x = 89,429,655,486.02/342,313.06 - Step 6: Final answer
x = 261,251.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.